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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 May 2025

Today Tonight and Wednesday.

Wind southeast 10 knots increasing to east 15 this morning then diminishing to southeast 10 this evening. Wind southeast 10 Wednesday.

Scattered showers. Risk of thunderstorms late this afternoon and this evening. Fog patches dissipating this morning. Fog patches forming this evening and dissipating near noon Wednesday.

Waves

Issued 03:00 AM EDT 13 May 2025
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 near noon then subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 03:00 AM EDT 13 May 2025
Thursday Wind light.
Friday Wind light becoming southwest 15 knots.
Saturday Wind south 15 knots veering to west 15 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 12 May 2025 Today Tonight and Tuesday Ice free.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 12 May 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 May 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today departing ridge located on a line north-south
over Quebec.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Manitoba.
By 3:00 a.m. EDT Wednesday trough located on a line
northeast-southwest over the Ontario - Manitoba border.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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